Merge pull request #9532 from ryanrhymes/master

Add conf-openblas.0.1

packages/conf-openblas/conf-openblas.0.1/descr

@@ -0,0 +1,2 @@
+Virtual package to install OpenBLAS and LAPACKE.
+The package prepares OpenBLAS (CBLAS) and LAPACKE backend for Owl (OCaml numerical library). It can only be installed if OpenBLAS and LAPACKE are installed on the system.

packages/conf-openblas/conf-openblas.0.1/files/centos_install.sh

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+#!/usr/bin/env bash
+
+yes | yum update
+yes | yum install git
+yes | yum install gcc gcc-c++ gcc-gfortran make kernel-devel
+
+git clone https://github.com/xianyi/OpenBLAS.git
+cd OpenBLAS
+make && make install
+cd ..
+rm -rf OpenBLAS

packages/conf-openblas/conf-openblas.0.1/files/test.c

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+extern double cblas_dnrm2(int N, double *X, int INCX);
+
+int main(int argc, char **argv)
+{
+  int N = 3;
+  double X[] = { 1, 2, 3 };
+  int INCX = 1;
+	double res = cblas_dnrm2(N, X, INCX);
+  return 0;
+}

packages/conf-openblas/conf-openblas.0.1/opam

@@ -0,0 +1,22 @@
+opam-version: "1.2"
+maintainer: "Liang Wang ([email protected])"
+author: "Liang Wang ([email protected])"
+homepage: "https://github.com/xianyi/OpenBLAS"
+bug-reports: "https://github.com/ocaml/opam-repository/issues"
+dev-repo: "https://github.com/ocaml/opam-repository.git"
+license: "BSD"
+build: [
+  ["%{build}%/centos_install.sh"] {os = "centos"}
+  ["sh" "-exc" "cc $CFLAGS test.c -lopenblas"] {os = "alpine" }
+  ["sh" "-exc" "cc $CFLAGS test.c -lopenblas"] {os = "ubuntu" }
+  ["sh" "-exc" "cc $CFLAGS test.c -lopenblas"] {os = "debian" }
+  ["sh" "-exc" "cc $CFLAGS test.c -L/opt/OpenBLAS/lib -lopenblas"] {os = "centos"}
+  ["sh" "-exc" "cc $CFLAGS test.c -L/usr/local/opt/openblas/lib -lopenblas"] {os = "darwin"}
+]
+depexts: [
+  [["centos"] [""]]
+  [["alpine"] ["libc-dev openblas-dev"]]
+  [["ubuntu"] ["libopenblas-dev liblapacke-dev"]]
+  [["debian"] ["libopenblas-dev liblapacke-dev"]]
+  [["osx" "homebrew"] ["homebrew/science/openblas"]]
+]